[12gevmoller_sim] [EXTERNAL] [JeffersonLab/remoll] 42b6cc: [cmake] require c++17

[Wouter Deconinck]

  Branch: refs/heads/feature-cxx-17
  Home:   https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=pbaVkw5UuVCzbaoO4kkvR8G_2cMc6ROprzS_M8jmIo0&s=bVx22jnOXFTHbuMmix61FeiDqbBkz3SHWWyEZwq656k&e= 
  Commit: 42b6cc84452ae36561c6560673ee46361c836d8e
      https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll_commit_42b6cc84452ae36561c6560673ee46361c836d8e&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=pbaVkw5UuVCzbaoO4kkvR8G_2cMc6ROprzS_M8jmIo0&s=G6RzqJaK-ujL8Rw1M2jRnY09jFeQBOx6hRDB9xwYSNs&e= 
  Author: Wouter Deconinck <wdconinc at gmail.com>
  Date:   2020-12-08 (Tue, 08 Dec 2020)

  Changed paths:
    M CMakeLists.txt

  Log Message:
  -----------
  [cmake] require c++17